I am not a grade 12 11 or 10 student but I have a friend in 12 she has finished her boards but she having online test
Go and check this website:- Study tankers test Or Study rankers
I can’t copy paste it here Just click on the link. And there will be three lines in the side go there and click on important questions and choose your class There will be a list of chapters subject wise just click on that chapter and you will get the questions You can do the same for revision notes also it also has last year papers